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Appendix D – Throw Ratio
49
THROW RATIO
Desktop Installation — 4:3
Diag. Width Height Max Min Upper Lower
300” 240” 180” 13.07m 10.892m 5.594m 1.022m
250” 200” 150” 10.892m 9.076m 4.679m 0.869m
200” 160” 120” 8.713m 7.261m 3.764m 0.716m
150” 120” 90” 6.535m 5.446m 2.849m 0.563m
133” 106” 80” 5.794m 4.829m 2.538m 0.511m
106” 85” 64” 4.618m 3.848m 2.044m 0.429m
100” 80” 60” 4.357m 3.631m 1.935m 0.411m
92” 74” 55” 4.008m 3.34m 1.788m 0.386m
84” 67” 50” 3.66m 3.05m 1.642m 0.362m
72” 58” 43” 3.137m 2.614m 1.422m 0.325m
60” 48” 36” 2.614m 2.178m 1.203m 0.288m
40” 32” 24” 1.743m 1.452m 0.837m 0.227m
30” 24” 18” 1.307m 1.089m 0.654m 0.197m
x
Screen size
y1 z1
y2 z2
z1=x*0.030700699+0.105y1=x*0.04356608
y2=x*0.036305066 z2=x*0.003055736+0.105
Max projection Distance
Min projection Distance
Upper height from Desk
Lower height from Desk
Desk top installation
Screen size (4:3)
Projection Distance
(m)
Height Above Desk